Abdur Rahman bin al-Qasim عبد الرحمن بن القاسم بن محمد بن أبي بكر · The Book of Ghusl and Tayammum

It was narrated from 'Aishah that the Messenger of Allah (ﷺ) used to perform Ghusl, he and I from a single vessel, both of us scooping water from it.